Here's one for those not invited to Cannes and feel stuck in a rut this week. Corona Light's Rutbuster app on Facebook lets users to create, customize and share a video montage with their Facebook friends who 'need a little encouragement to bust out of their monotonous routine'. Goodby, Silverstein & Partners created the app, which lets users select a friend to a send a 'Rut Alert!' which will appear on their Facebook wall. Clicking on the link reveals their personalized 'Rut Buster' video. The recipient can then choose to create a response video or 'bust out' another friend in his or her network.